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Korolek [52]
2 years ago
10

I need help plssssss

Mathematics
1 answer:
Black_prince [1.1K]2 years ago
5 0
Substitute the values given.
-2-3(2) then solve
Your answer should be -8
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Help finding the x & y intercept
nasty-shy [4]
The x-intercept will be the value of x when y=0.  The solutions to (x+1)(x+2)=0 are -1 and -2 since we can substitute them in to have one of the values in parentheses equal to zero, so our x-intercepts are (-1, 0) and (-2, 0).  The y-intercept is the value of y when x=0, or (0+1)(0+2)=2.  Therefore, the y-intercept is (0, 2).
3 0
3 years ago
I need help on this question can anyone explain to me the answer?
raketka [301]

Answer:

Option C, y = \frac{1}{10} x+1

Step-by-step explanation:

We can find the correct answer by plugging in the x and y values of a point on the graph into each option, then finding the one that gives a true statement as a result.

For example, one point on the graph is (30,4). We can substitute 30 for the x and 4 for the y in option C's equation, y = \frac{1}{10} x+1. Then, simplify:

y = \frac{1}{10} x+1\\4 =\frac{1}{10} (30)+1\\4 = \frac{30}{10} +1\\4 = 3 +1\\4 = 4

4 does equal 4, so when we substitute a point from the graph into this equation, the result is a true statement. Thus, option C is the answer.

4 0
2 years ago
There are 28.35 g in an ounce and 2.21 lb in a kilogram. Juanita converts 3 kilograms to ounces. Is her conversion correct? Expl
GarryVolchara [31]

Answer:

3 kg = 105.82 ounces

Step-by-step explanation:

We have,

1 ounce = 28.35 g

and

1 kg = 2.21 lb

If we want to the value of 3 kg to ounces. The direct relation between kilogram to ounce is as follows :

1 kg = 35.274 ounces

It means,

3 kg = 105.82 ounces

So, the value of 3 kg is equal to 105.82 ounces.

4 0
3 years ago
Read 2 more answers
what are some key words, other than less and greater, that would indicate you need to use an inequality?
Paladinen [302]
Equal to is under is fewer has maximum value is over is at most
8 0
3 years ago
The claim is that the white blood cell counts of adult females are normally​ distributed, with a standard deviation equal to 1.6
maxonik [38]

Answer:

78.46

Step-by-step explanation:

Given that

Pop. Standard deviation = 1.61

Sample standard deviation = 2.15

Sample mean = 7.47

Sample size = 45

Recall that

Test stat for chi square

= (n - 1) (sample standard dev/pop standard dev)^2

= 45 - 1 (2.15/1.61)^2

= 44(1.3354)^2

= 44 × 1.78329

= 78.46

4 0
3 years ago
Read 2 more answers
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